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CRITICAL

CVE-2018-10996

CVSS v3

9.8

CRITICAL

EPSS Score

5.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The weblogin_log function in /htdocs/cgibin on D-Link DIR-629-B1 devices allows attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a session.cgi?ACTION=logout request involving a long REMOTE_ADDR environment variable.

Technical details

Published
2018-05-12

Frequently asked questions

What is CVE-2018-10996?

The weblogin_log function in /htdocs/cgibin on D-Link DIR-629-B1 devices allows attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a session.cgi?ACTION=logout request involving a long REMOTE_ADDR environment variable.

Is CVE-2018-10996 actively exploited?

Active exploitation of CVE-2018-10996 has not been confirmed. Its EPSS score was 5.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-10996?

CVE-2018-10996 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-10996 affecting your environment?

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